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Thanks Ygemici, it worked like magic :).
I'm just trying to understand the code. Could you please explain me what
if($0~x){if($0~x s"$") actually does .
Thanks.

Thanks Rangarasan for the help. I tried with the solution that you provided. But I got all the matching lines, -

$ sed -n '/meta#/p;s/.*\(meta#[7][7]*\).*/\1/g' expression.txt
04/05/2012 7:21 PM ...

Hi All,
I have a text / log file which contains strings like meta777, 77, meta, 777. Now I want to write a script which can detect a string 'meta#777' in a text file & number of occurence of 'meta',...

you can try this also -
cat <file> | sed 's/_/ /1'| sed 's/_/ /1'

thanks methyl.

Today in a interview a senior person asked me this and I was not sure about the answenrs. I should have posted these questions yesterday :(

by 'how much' I meant how many times. eg, echo "hello unix.com" | cut -f1 -d"." | grep 'unix' , here I used pipe twice. like wise can I pipe 50 or 60 or may be 100 times,eg, some command | some...

Hi All experts, I was asked some questions of late & i was not aware of these. 1Q. how much we can pipe in shell prompt ?2Q. how many arguments we can pass in shell script & how to print that ? (eg,...

Hello Experts,
Recently I tried to install xdiff program in my Ubuntu7.10. I downloaded xdiff-ext-0.2.0 from Download xdiff-ext 0.2.0 for Linux - Compare files easily - Softpedia...

Hi Everyone,

Can you kindly explain me the terms 'jobs' and 'process' and the difference between them? How the commands 'ps' and 'lsof' are related to them?
Thanking you in anticipation

Hi pludi,

You are right. This problem can be solved with the help of LIVE-CD. I got a useful link which helped me to solve this. The link is - OpenSourceNuts.Com | Section-1...

Hi Everyone,
I was using XP-Home along with Ubuntu (dual booting) in my laptop. At the booting screen the Grub loader used to show me like this-

Ubuntu
Other operating system
Inside 'Other...

sorry for that style . I apologize .

Thanks Tytalus,
I just now tried ps -ef in cygwin . it showd me PID 1 of a command /usr/bin/bash .
is it you r referring to ?
b t way can u give a short information on sched as i am not aware...

The script is -

#!/cygdrive/c/Perl/bin/perl

$var=3 ;
printf $var;

@list=(1,2,3);
printf "@list";
---------------------------
the error i get in cygwin is -

bash: = 3: command not...

The script is -

#!/cygdrive/c/Perl/bin/perl

$var=3 ;
printf $var;

@list=(1,2,3);
printf "@list";
---------------------------
the error i get in cygwin is -

bash: =

===================================================


Thanks jim
Which perl on my cygwin gives
cygdrive/c/Perl/bin/Perl

But even if I use this line I get the previously mentioned errors...

Hi everyone.
I want to know which job has PID 0 ? If I do 'ps -all' cmd why dont I see in terminal.
Thanks in advance .

Hi everyone,
I have a Linux OS in my PC (older version 9). Its default shell is bash. Whenever I try to run some Perl program it throws error ! eg, if I run this simple PERL program ,
...